Increasing the number of native mature trees preserved in new urban housing developments is an effective way to increase bird diversity, according to this study in Queensland, Australia. Streets that retained mature trees had similar species composition to urban parks but fewer total birds.
Barth, Benjamin James, Sean Ian FitzGibbon, and Robbie Stuart Wilson. (2015). New urban developments that retain more remnant trees have greater bird diversity. Landscape and Urban Planning, 136, 122-129.